Engine 2014: Electricity

1. A low voltage release features normally open line contacts, low voltage protection features normally closed line contacts
2. B low voltage release features thermal- overload protection, low voltage protection does not
3. C low voltage release features a maintained contact start switch, low voltage protection features a momentary contact start switch
4. D low voltage release features a momentary contact start switch, low voltage protection features a maintained contact start switch

Tip: press A-D to answer